The supply of leased land in 2019 has became more diversifired compare to the past，although the supply quantity decreased slightly，there were 148 leased land transactions happened and the proportion was about 417 million square meters；the housing resources of the leading brands also increased over time. Compare to the past，the investors of financial market became moer rational，and preferred to leading brands，especially the distributed long-term brands and the brands with real-easte background. Qingke joined stockmarket on the NASDAQ stockmarket attracted a lot of attention from general public，after that DANKE apartment also gone public on NYSE. More industry standards started established by the government and association，meanwhile information systems were started to be completed by leasing websites，for the industry sustainable development.